Jens Ravens is a Berlin-based technology leader and entrepreneur with 12 years of experience founding and running software companies, currently serving as Geschäftsführer of nerdgeschoss GmbH. He blends hands-on engineering—especially in Swift and Ruby on Rails—with company leadership, having previously led MyLane and run his own studio, code&design. An active open-source contributor, he developed Interstellar, a lightweight Swift FRP library, where he focused on refactoring, threading, and async mapping to improve performance and modern Swift compatibility. Trained in physics at Freie Universität Berlin, Jens brings analytical rigor and a systems-thinking approach to product and architecture decisions. He also organizes meetups, signaling a commitment to community building and knowledge sharing beyond his day-to-day executive role.
Simple and lightweight Functional Reactive Coding in Swift for the rest of us
Role in this project:
Full-stack Developer
Contributions:4 releases, 106 commits, 43 PRs in 3 years 11 months
Contributions summary:Jens primarily contributed to the development of a Swift library focused on functional reactive programming. Their work involved refactoring code, removing custom operators, and adding threading capabilities. The user also implemented asynchronous mapping features and incorporated Swift 2 and 3 features. These changes demonstrate a focus on improving the library's functionality and performance.
Contributions:5 reviews, 10 PRs, 19 pushes in 3 years
dependencies
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Jens Ravens - Geschäftsführer at nerdgeschoss GmbH